Technology
Stars
Planets
Planets vs. Stars
Solar System
100
1. What does a radio telescope do?
1. collect radio waves
100
6. Why does the pattern of stars in a constellation stay the same?
6. The stars are too far away to see their movement.
100
11. Which BEST describes planets? A. It is a ball of hot gases. B. It produces light of its own. C. It moves in an orbit around a star. D. It forms a pattern with other planets.
11. C. It moves in an orbit around a star.
100
16. What do stars and planets have in common?
16. They both shine in the night sky and they both look like tiny lights.
100

21. How many planets are in our solar system?

21. Eight

200
2. Which tools would astronomers use to study space?
2. space probes or telescopes
200
7. What color are the hottest stars?
7. Blue
200
12. What is the smallest planet in the solar system?
12. Mercury
200
17. What are smaller in size, planets or stars?
17. Planets
200

22. Which galaxy is our solar system in?

22. The Milky way galaxy

300
3. Which type of telescope uses mirrors to gather light and form an image?
3. reflecting telescopes
300
8. Why does the sun appear brighter to us than other stars?
8. It is closer to Earth than other stars.
300
13. What planet is the largest in the solar system?
13. Jupiter
300
18. Which are made of hot gases that produce light, planets or stars?
18. Stars
300

23. Which planet is the furthest from the sun?

23. Neptune

400
4.Which type of telescope uses glass lenses to form an image from space?
4. refracting telescope
400
9. What color star gives off the least amount of heat?
9. Red
400
14. What number planet is Earth from the Sun?
14. Third
400
19. Which creates patterns in the night sky, stars or planets?
19. Stars
400

24. How many planets in the solar system are made of gas?

24. Four- Jupiter, Saturn, Uranus, and Neptune

500
5. Which of the following is not true about a space probe? A. It is a spacecraft that gathers data. B. They take pictures and send them back to Earth. C. They carry people inside. D. They visit planets and moons.
5. C. They carry people inside.
500
10. How many stars can you see on a clear, dark night?
10. About 1,000
500
15. Write the order of the planets from closest to the sun to the furthest from the sun.
15. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
500
20. Which are there more in number, stars or planets?
20. Stars
500

25. Approximately, how long does it take for light to travel from the Sun to Earth?

25. Eight minutes

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